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HC Where this climb is: Haut-RhinGrand Est, France

Col du Grand Ballon

Southern ascent from Willer-sur-Thur
Length
15.5 km
Height gain
966 m
Average
6.2%
Steepest km
8.7%
Summit altitude
1339 m
Difficulty
193
2 ways up Compare all 2

Elevation profile

374 m → 1339 m Touch or hover to inspect
Elevation profile: Col du Grand Ballon from Willer-sur-Thur
0–4% 4–6% 6–8% 8–10% 10–14% 14%+
Steepest km: km 14 at 8.7%

Climb analysis

Where the climbing is

0–4%
2.8 km
4–6%
4.5 km
6–8%
4.0 km
8–10%
4.3 km
10–14%
0.0 km
14%+
0.0 km

Hardest sustained

1 km · km 12.7–13.7
8.9%
2 km · km 12.0–14.0
8.5%
5 km · km 9.0–14.0
8.0%

Time to the top

1h 08 at 3 W/kg · 70 kg rider + 8 kg bike, no wind
How this is calculated

Kilometre by kilometre

Export CSV
Km Altitude Gradient 0–15%
1 400 m 2.6%
2 442 m 4.2%
3 504 m 6.3%
4 565 m 6.0%
5 622 m 5.8%
6 667 m 4.5%
7 718 m 5.1%
8 792 m 7.4%
9 830 m 3.8%
10 909 m 7.9%

Route map

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Directions
Satellite
Road surface not mapped yet Report a road type
No tunnels mapped Map a tunnel

About Col du Grand Ballon

How long and how steep?
From Willer-sur-Thur, Col du Grand Ballon is 15.5 km long and climbs 966 m at an average of 6.2%, to a summit at 1,339 m. Its steepest kilometre, km 14, averages 8.7%.
How long does it take?
At 3 W/kg it takes about 1 h 08 min to reach the top, at 4 W/kg about 53 min (70 kg rider, 8 kg bike, no wind).
What category is it?
It's an HC (hors catégorie) climb, with a difficulty score of 193.
Where is it?
It's in Haut-Rhin, Grand Est, France.

How hard is 193?

Difficulty score is length × gradient, weighted for the steepest kilometre.

Help complete this climb

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Added by altigraphs · 1 contributor

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